Casting our eye over the onstage stars including Pixie Lott and LMFAO, plus the backstage VIPs such as Emma Bunton and Caroline Flack - view all of the winners and sinners here!
Worst: Tulisa Contostavlos wears a polka-dot midriff-bearing corset and unflattering graffiti-print trousers as she performs at the V Festival 2012.
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